(n.) Any one of three metameric hydrocarbons, C4H8, of the ethylene series. They are gaseous or easily liquefiable.
Example Sentences:
(1) 10 aryl propylene oxides and 6 aryl butylene oxides were synthesized.
(2) We study the "suicide" phenomena as well as metabolic pathways of mixed acids (methyl red test, MR) and butylene glycol (Voges-Proskauer, VP), in 107 strains belonging to mesophilic Aeromonas group, isolated from stools.
(3) Several oligomers of poly(butylene tartrate)s were synthesized and their kinetic behavior was studied under acidic conditions.
(4) Three general test groups of volatile organic chemicals were identified by test data: chemicals which had boiling points below 63 degrees C, for which the vaporization technique was the most sensitive test procedure (ethylene, propylene, and butylene oxides and methylene chloride); chemicals which had boiling points from 107 degrees to 132 degrees C, for which the vaporization technique was still useful, but where sensitivity was only slightly increased over the preincubation technique (1-bromo-2-chloroethane, epichlorohydrin, and ethylene dibromide); and 3) a chemical which had a boiling point at 194 degrees C, where the preincubation technique was the most appropriate test method (styrene oxide).
(5) Thirty percent 1,3-butylene glycol and 30% propylene glycol were approximately as effective as 10% HG.
(6) This paper reports the identification of seven individual oligomers isolated from a poly(butylene adipate) plasticizer.
(7) The antimicrobial properties of three glycols, - propylene glycol, hexylene glycol, and 1,3-butylene glycol - against Candida albicans, Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus pyogenes A, Streptococcus mitis, and E. coli were studied in vitro.
(8) In contrast, 1,3-butylene glycol had no protective effects.
(9) Several oligomers of poly(butylene tartrate) were synthesized, and their kinetic behavior was studied under alkaline conditions.
(10) The concentration of butylene glycol obtained in the fermentation beer ranged from 2.3 to 4.4%.
(11) The film was made of polymer blends consisting of polypropylene, styrene ethylene butylene styrene-block copolymer, and ethylene ethylacrylate copolymer.
(12) The other short chain (C2 to C4) alkyldiols were separated by this method and did not interfere with the quantitation of 1,3-butylene glycol.
(13) A microanalytical method with direct on-column specimen injection for determination of 1,3-butylene glycol (1,3-butanediol) in whole blood or plasma using gas-liquid chromatography with flame ionization is described.
(14) However, all compounds were mutagenic in at least one system with the propylene oxides being more mutagenic than the corresponding butylene oxide derivatives.
(15) The biodegradability of three aliphatic adipic acid diesters and a 1,3-butylene glycol adipic acid polyester was determined in acclimated, activated sludge systems.
(16) GC analysis of epichlorohydrin and butylene oxide concentrations within Tedlar bags suggested that these two chemicals volatilized and were contained in the media after 1 hr of incubation at 37 degrees C. The mutagenic activity of six volatile liquid mutagens was similar in single and triple plate Tedlar bags.
(17) The results speak in favour of using hexylene glycol in cosmetic and dermatological vehicles instead of propylene glycol and 1,3-butylene glycol.
(18) The method described is suitable for the rapid detection of potentially toxic blood or plasma levels of 1,3-butylene glycol, as well as for the detection of other short chain glycols.
(19) Maximal production of butylene glycol with minimal residual sugar was obtained with a medium consisting of molasses, diluted to 20 degrees Brix, and 0.4% urea.
(20) Lard, medium chain triglycerides, or 1,3-butylene glycol comprised 43% of the diet fed to mice.
Rubber
Definition:
(n.) India rubber; caoutchouc.
(n.) An overshoe made of India rubber.
(n.) One who, or that which, rubs.
(n.) An instrument or thing used in rubbing, polishing, or cleaning.
(n.) A coarse file, or the rough part of a file.
(n.) A whetstone; a rubstone.
(n.) An eraser, usually made of caoutchouc.
(n.) The cushion of an electrical machine.
(n.) One who performs massage, especially in a Turkish bath.
(n.) Something that chafes or annoys; hence, something that grates on the feelings; a sarcasm; a rub.
(n.) In some games, as whist, the odd game, as the third or the fifth, when there is a tie between the players; as, to play the rubber; also, a contest determined by the winning of two out of three games; as, to play a rubber of whist.
Example Sentences:
(1) It became fully operational in 1975, replacing its predecessor the rubber bullet.
(2) We describe an enzymatic fluorometric method for determining glucose concentrations in blood samples by analysis on a semi-solid surface (silicone-rubber pads).
(3) Hopes of a breakthrough are slim, though, after WTO members failed to agree a draft deal to rubber-stamp this week.
(4) Dynamics in the changes was established among the workers from the production of "Synthetic rubber and latex", associated with the duration of occupational exposure to styrene and divinyl.
(5) A rubber cuff was fixed on the metal cylinder and let an opening of 8 cm, simulating the cervix uteri.
(6) There were 45 deaths from lung cancer among curing workers compared to 24.6 expected based on the age- and calendar period-specific rates of other rubber workers.
(7) A preparation in a special triple bath was drawn through two rubber membranes dividing the strip into three segments.
(8) Porous polyethylene was thus better incorporated into the soft tissues than silicone rubber as long as the overlying soft tissues were not stressed by an oversized implant or inadequate soft tissue coverage.
(9) Neither pH nor composition of liner collection cone had an effect on postthaw acrosomal scores, but the time required for a 50% increase in severely damaged acrosomes was greater for spermatozoa collected in polyethylene than in rubber liner collection cones.
(10) Mice were exposed to hypoxia by enclosure in cages covered with dimethyl-silicone rubber membranes for 1-14 days.
(11) Two types are present, a crystalline (clear) form and a white, opaque form with pigmentation resulting from a diene rubber.
(12) Another man who is not moving fast enough is shot with a rubber bullet.
(13) "There is no debate over the conclusion that Abir was injured by a rubber bullet shot by border guards, which in turn leads to the conclusion that the shooting of Abir occurred out of negligence, or in violation of the rules of engagement," said Judge Orit Efal-Gabai.
(14) Mortality and morbidity from cancer among a cohort of 13,570 white male rubber workers were examined.
(15) An air chamber attached to a Hg-manometer has in an upper wall a round window 8 mm in diameter, closed by a 0.05 mm-thick rubber membrane.
(16) It consisted of a conventional precordial or esophageal probe connected to a microphone by a rubber adapter.
(17) He explains that the violence began after the demo overran its official cut-off time: Violence flared on Tuesday in the centre of Madrid as baton-wielding police charged crowds and fired rubber bullets at demonstrators who had tried to surround the country's parliament building.
(18) The angiomas of the skin may occur in 3 forms: large cavernous angiomas; blood sac looking like a blue rubber nipple, they can be emptied; irregular blue mark, sometimes with puncted blackish spots, they may not blanch on pressure.
(19) Linear distortion of the mercaptan (polysulfide) rubber base that takes place during setting is a cause of this problem.
(20) Herein we report a case occurring as pustulosis palmaris, that has been identified as an occupational allergic contact dermatitis to black rubber.